YouTube: Used in everything from bullet-proof vests to the walls of the Pentagon, polyurea's strength comes from its long-chain molecules.
posted by PlayhousePals 7 years 5 months 1 week ago • 1,637 views • 7:09search results matching tag: vest
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Stupid movies and their gun lying.
posted by brycewi19 1 decade 4 months 3 weeks ago • 1,644 views • 4:09- 1